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Accuracy in Quantum Homodyne Tomography

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Quantum Communication, Computing, and Measurement 2

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Abstract

We study the statistical errors in homodyne tomography of radiation density matrix in the photon number representation. We give an asymptotic estimate for large matrix indexes at different values of the quantum efficiency η of homodyne detectors. We show that for fixed η the errors increase exponentially as functions of the matrix index.

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References

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Author information

Authors and Affiliations

  1. Department of Electrical and Computer Engineering, Northwestern University, Evanston, IL, 60208

    G. M. D’Ariano

  2. Dipartimento di Fisirca “A. Volta” and Istituto Nazionale di Fisica della Materia, via Bassi 6, 27100, Pavia, Italy

    G. M. D’Ariano, C. Macchiavello & N. Sterpi

Authors
  1. G. M. D’Ariano
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  2. C. Macchiavello
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  3. N. Sterpi
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Editor information

Editors and Affiliations

  1. Northwestern University, Evanston, Illinois

    P. Kumar

  2. University of Pavia, Pavia, Italy

    G. M. D’Ariano

  3. Tamagawa University, Machida, Tokyo, Japan

    O. Hirota

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© 2002 Kluwer Academic Publishers

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D’Ariano, G.M., Macchiavello, C., Sterpi, N. (2002). Accuracy in Quantum Homodyne Tomography. In: Kumar, P., D’Ariano, G.M., Hirota, O. (eds) Quantum Communication, Computing, and Measurement 2. Springer, Boston, MA. https://doi.org/10.1007/0-306-47097-7_24

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  • DOI: https://doi.org/10.1007/0-306-47097-7_24

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-0-306-46307-5

  • Online ISBN: 978-0-306-47097-4

  • eBook Packages: Springer Book Archive

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